Titration curve of strong acid with strong base [duplicate]

This question already has an answer here:

I have a question regarding the titration curve for $\ce{HCl}$ titrated with $\ce{NaOH}$. Why does it look like it does, with a steep slope near the equivalence point and a flat slope at the beginning and end?

marked as duplicate by bon, Jan, Todd Minehardt, Martin - マーチン♦Oct 18 '15 at 18:01

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.